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Finding the Fourth Proportional to 598,340.31, 825,893.83 and 368,969.57

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Solution

The fourth proportional to 598,340.31, 825,893.83 and 368,969.57 is: 509,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,340.31 : 825,893.83 = 368,969.57 : x
  2. Step 2: Convert to fraction form
    598,340.31/825,893.83 = 368,969.57/x
  3. Step 3: Cross multiply
    598,340.31x = 825,893.83 × 368,969.57
  4. Step 4: Simplify right side
    598,340.31x = 304,729,691,320.75
  5. Step 5: Solve for x
    x = 304,729,691,320.75/598,340.31
  6. Step 6: Final answer
    x = 509,291.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.